Alright, let's work through 71422680 times 58280047 step by step
71422680 × 58280047 = 58280047 × (71422680)
+ 58280047 × 0 producing 0
+ 58280047 × 80 that is equal 4662403760
+ 58280047 × 600 that is equal 34968028200
+ 58280047 × 2000 which equals 116560094000
+ 58280047 × 20000 that equals 1165600940000
+ 58280047 × 400000 that is equal 23312018800000
+ 58280047 × 1000000 giving us 58280047000000
+ 58280047 × 70000000 that is equal 4079603290000000

= 4162517147265960
